Various disguises of the Pais-Uhlenbeck oscillator

Motivated by the symmetry in the non-relativistic limit of anti-de Sitter geometry, we employ planar dynamical models featuring exotic (deformed) harmonic oscillators, presented through direct and indirect Lagrangian representations. The latter introduces Bateman dissipative oscillator system. Analyzing these dynamic systems with a first-order Lagrangian scheme, our phase-space-based approach utilizes the moment map components to reveal the underlying symmetry algebra. This obtained algebra, interpreted as an extended version of Newton–Hooke (NH) cosmological symmetry algebras, has the potential to cast an augmented non-relativistic shadow over the expanding universe, offering an insightful perspective on extended NH spacetime in 2+1 dimensions through our dynamical realizations.

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Various disguises of the Pais-Uhlenbeck oscillator

Cited by 3 publications

References 58 publications

Memory effect & Carroll symmetry, 50 years later

Memory effect & Carroll symmetry, 50 years later

Towards ℓ-conformal Galilei algebra via contraction of the conformal group

Symmetry harmonization: exploring deformed oscillators and dissipative dynamics through the glass of Newton–Hooke algebra

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